Ultimate Mulching Performance - Unique mulching blade-disc design generates air-circulation beneath the mower continually cutting the grass Quad Blade Cutting System 4 swing-back blades deliver a cleaner cut & improved catching in thick wet grass Powered by U.S. built Briggs & Stratton, powerful and efficient 4-stroke OHV 675EXi Series™ engine New 19" Victa durable chassis with side mount adjustable handles - alter to suit the height of the user.